Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken line showing of the display screen is included for environmental purposes only and forms no part of the claim. The dot-dash lines in the figures represent and unclaimed boundary line and forms no part of the claim. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 